include/wx/cocoa/dcmemory.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/cocoa/dcmemory.h
   3 // Purpose:     wxMemoryDCImpl class
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/03/16
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __WX_COCOA_DCMEMORY_H__
  13 #define __WX_COCOA_DCMEMORY_H__
  14
  15 #include "wx/cocoa/dc.h"
  16
  17 #include "wx/dcmemory.h"
  18
  19 class WXDLLIMPEXP_CORE wxMemoryDCImpl: public wxCocoaDCImpl
  20 {
  21     DECLARE_DYNAMIC_CLASS(wxMemoryDCImpl)
  22
  23 public:
  24     wxMemoryDCImpl(wxMemoryDC *owner)
  25     :   wxCocoaDCImpl(owner)
  26     {   Init(); }
  27     wxMemoryDCImpl(wxMemoryDC *owner, wxBitmap& bitmap)
  28     :   wxCocoaDCImpl(owner)
  29     {   Init();
  30         owner->SelectObject(bitmap);
  31     }
  32     wxMemoryDCImpl(wxMemoryDC *owner, wxDC *dc ); // Create compatible DC
  33     virtual ~wxMemoryDCImpl(void);
  34
  35     virtual void DoGetSize(int *width, int *height) const;
  36     virtual void DoSelect(const wxBitmap& bitmap);
  37
  38 protected:
  39     wxBitmap m_selectedBitmap;
  40     WX_NSImage m_cocoaNSImage;
  41 // DC stack
  42     virtual bool CocoaLockFocus();
  43     virtual bool CocoaUnlockFocus();
  44     virtual bool CocoaGetBounds(void *rectData);
  45 // Blitting
  46     virtual bool CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest,
  47         wxCoord width, wxCoord height, wxCoord xsrc, wxCoord ysrc,
  48         int logicalFunc, bool useMask, wxCoord xsrcMask, wxCoord ysrcMask);
  49
  50 private:
  51     void Init();
  52 };
  53
  54 #endif
  55     // __WX_COCOA_DCMEMORY_H__